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HELI-COIL Screw-Locking Tanged Helical Insert - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #2-56 Thread Size, 100 PK (MPN A3585-02CNW172). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, right-hand coarse threads, and a…

SKU 3G-OTH-528954

Also listed as: A358502CNW172 · A3585 02CNW172

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert
Part Number
A3585-02CNW172
Category
Screw-Locking Tanged Helical Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

HELI-COIL
Manufacturer Part Number
A3585-02CNW172
Type
Screw-Locking, #2-56 Thread Size, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Dry Film Lubricant
Thread Type
Coarse
STI Tap Size
#2-56
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #2-56 Thread Size, 100 PK (MPN A3585-02CNW172). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, right-hand coarse threads, and a tensile strength of 200,000 to 250,000 psi, designed for use in metal with an STI Tap Size of #2-56.

Frequently Asked Questions

What are HELI-COIL helical inserts used for?

HELI-COIL helical inserts repair or reinforce tapped threads in metal, providing a strong, wear-resistant internal thread. The screw-locking version resists vibration loosening. These 18-8 stainless steel inserts are ideal for aerospace, automotive, and industrial applications where thread integrity is critical.

What are the specifications of HELI-COIL A3585-02CNW172?

This HELI-COIL insert has a #2-56 coarse thread, right-hand direction, and an STI tap size of #2-56. It is made of 18-8 stainless steel with a Dry Film Lubricant finish, offering a tensile strength of 200,000 to 250,000 psi. The pack contains 100 pieces.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine HELI-COIL products like the A3585-02CNW172 to any location. Contact us for pricing and lead time.

How to install HELI-COIL screw-locking inserts?

Installation requires drilling to the specified STI tap size (#2-56), tapping the hole with an STI tap, then using a tang-style installation tool to wind the insert into place. After installation, break off the tang. The screw-locking feature deforms slightly to grip the bolt, preventing loosening under vibration.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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HELI-COIL Products

3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Screw-locking tanged helical insert for repairing or strengthening threaded holes in metal. Features 18-8 stainless steel construction with 1/4"-28 fine thread and tensile strength of 200,000 to 250,000 psi. Plain finish. Pack of 100
HELI-COIL
Screw-locking tanged helical insert for repairing or strengthening threaded holes in metal. Features 18-8 stainless steel construction with 1/4"-28 fine thread and tensile strength of 200,000 to 250,000 psi. Plain finish. Pack of 100

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